/Engine/Source/Editor/UnrealEd/Public/FbxImporter.h
Re-import Unreal skeletal mesh from updated Fbx file If the Fbx mesh is in LODGroup, the LOD of mesh will be updated. If the FBX mesh contains morph, the morph is updated. Materials, textures and animation attached in the FBX mesh will not be updated.
UObject* the new Unreal mesh object
[USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * ReimportSkeletalMesh ( [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * Mesh, [UFbxSkeletalMeshImportData](API\Editor\UnrealEd\Factories\UFbxSkeletalMeshImportData) * TemplateImportData, uint64 SkeletalMeshFbxUID, [TArray](API\Runtime\Core\Containers\TArray)< FbxNode * > * OutSkeletalMeshArray )